There are many types of Brazilian hair that you can choose from, including straight hair, loose hair with a natural wave, or even tight curls. With the unique genetic make-up of Brazilians, coupled with their typical diet, the resulting hair is shiny, healthy and vibrant. When you look for virgin Brazilian hair, you will have the highest-quality hair possible. Virgin hair is untreated and unprocessed, and it is a superior type of hair to purchase.